Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.6 on date 09-08-2024 and time 03:03:17 (Italy) in region 1 km SE Sellano (PG)

A magnitude ML 0.6 earthquake occured in region: 1 km SE Sellano (PG), on

  • 09-08-2024 01:03:17 (UTC)
  • 09-08-2024 03:03:17 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8820, 12.9320 at 10 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

Search earthquakes: Any within 30 km radius

The values of hypocentral coordinates and magnitude may be revised at a later time as more information becomes available.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Sellano PG 1 1079 1079
Cerreto di Spoleto PG 7 1075 2154
Preci PG 9 724 2878
Vallo di Nera PG 14 364 3242
Monte Cavallo MC 14 145 3387
Visso MC 14 1107 4494
Campello sul Clitunno PG 14 2442 6936
Trevi PG 15 8469 15405
Norcia PG 17 4957 20362
Sant'Anatolia di Narco PG 18 564 20926
Castelsantangelo sul Nera MC 18 281 21207
Ussita MC 18 444 21651
Poggiodomo PG 19 117 21768
Cascia PG 19 3217 24985

Municipalities with at least 50000 inhabitants

An earthquake occurred to
20 Km E of Foligno (57155 inhabitants)
43 Km NE of Terni (111501 inhabitants)
51 Km SE of Perugia (166134 inhabitants)
68 Km W of Teramo (54892 inhabitants)
70 Km NW of L'Aquila (69753 inhabitants)
85 Km NE of Viterbo (67173 inhabitants)
95 Km SW of Ancona (100861 inhabitants)
99 Km N of Guidonia Montecelio (88673 inhabitants)
Recent and historical seismicity
Seismic hazard
Shakemap
Felt maps
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Reviewed
Rev100 		ML 0.6 2024-08-09
01:03:17		 42.882 12.9317 10 2024-08-09
01:18:53		 Sala Sismica INGV-Roma 130521331
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-08-09 01:03:17 ± 0.06
Latitude 42.8820 ± 0.0036
Longitude 12.9317 ± 0.0061
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 130521331

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 482
Semi-minor axis of confidence ellipse (meter) 352
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 115
Circular confidence region, given by single value of horizontal uncertainty (meter) 480.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 78
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.17
Epicentral distance of station closest to the epicenter (degree) 0.14209
Epicentral distance of station farthest from the epicenter (degree) 0.28958
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitude information

ML:0.6

Field Value
Value 0.6
Uncertainty 0.1
Num. used stations 4
Type of magnitude ML
Reference to an origin 130521331
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-08-09 01:18:53
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CSP1.EHZ. 2024-08-09T01:03:28.95 0.6 undecidable manual S 43 32.1456 50 -0.13 53
IV.MOMA.HHN. 2024-08-09T01:03:28.65 0.3 undecidable manual S 254 30.6471 50 -0.04 82
IV.ASSB.HHZ. 2024-08-09T01:03:27.88 0.6 undecidable manual S 309 28.4493 50 -0.21 53
IV.MML1.EHZ. 2024-08-09T01:03:27.30 0.6 undecidable manual S 7 25.8519 110 -0.02 55
IV.GAVE.EHZ. 2024-08-09T01:03:25.58 0.6 undecidable manual S 188 21.2676 114 -0.26 53
IV.FDMO.HHZ. 2024-08-09T01:03:25.86 0.6 undecidable manual S 36 21.2676 114 0.02 56
IV.MC2.EHE. 2024-08-09T01:03:25.85 0.3 undecidable manual S 81 21.1677 115 0.05 83
IV.MOMA.HHN. 2024-08-09T01:03:24.50 0.1 undecidable manual P 254 30.6471 50 0.44 100
IV.CSP1.EHZ. 2024-08-09T01:03:24.21 0.6 negative manual P 43 32.1456 50 -0.08 54
IV.NRCA.HHZ. 2024-08-09T01:03:23.98 0.6 undecidable manual S 110 15.7731 121 -0.17 54
IV.MML1.EHZ. 2024-08-09T01:03:23.29 0.6 negative manual P 7 25.8519 110 0.02 55
IV.ASSB.HHZ. 2024-08-09T01:03:23.51 0.3 positive manual P 309 28.4493 50 -0.2 79
IV.FDMO.HHZ. 2024-08-09T01:03:22.41 0.6 positive manual P 36 21.2676 114 0 56
IV.MC2.EHE. 2024-08-09T01:03:22.78 0.6 undecidable manual P 81 21.1677 115 0.39 51
IV.GAVE.EHZ. 2024-08-09T01:03:22.32 0.6 positive manual P 188 21.2676 114 -0.09 55
IV.NRCA.HHZ. 2024-08-09T01:03:21.45 0.6 positive manual P 110 15.7731 121 0.01 56
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:0.7 0.0000435 0.14 AML other m 2024-08-09T01:03:24.06
IV.NRCA.HHE. ML:0.6 0.00003805 0.1 AML other m 2024-08-09T01:03:24.14
IV.GAVE.EHN. ML:0.5 0.000019000000000000004 0.92 AML other m 2024-08-09T01:03:26.50
IV.GAVE.EHE. ML:0.5 0.00002155 0.46 AML other m 2024-08-09T01:03:26.71
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download